677
CDUS43 KLOT 130632
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT SUN SEP 13 2026
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 12 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1997 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 86 MM 90 2005 77 9 85
MINIMUM 61 MM 42 1997 55 6 55
AVERAGE 74 66 8 70
PRECIPITATION (IN)
YESTERDAY 0.00 0.70 2008 0.10 -0.10 0.00
MONTH TO DATE T 1.20 -1.20 0.03
SINCE SEP 1 T 1.20 -1.20 0.03
SINCE JAN 1 29.14 24.57 4.57 20.56
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 0 17 -17 47
SINCE SEP 1 0 17 -17 47
SINCE JUL 1 1 28 -27 58
COOLING
YESTERDAY 9 3 6 5
MONTH TO DATE 127 51 76 15
SINCE SEP 1 127 51 76 15
SINCE JAN 1 808 775 33 923
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 6.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 2:00 AM
LOWEST 51 1:00 PM
AVERAGE 74
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THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 94 2005
MINIMUM TEMPERATURE (F) 55 39 2014
SUNRISE AND SUNSET
SEPTEMBER 13 2026.....SUNRISE 6:31 AM CDT SUNSET 7:06 PM CDT
SEPTEMBER 14 2026.....SUNRISE 6:32 AM CDT SUNSET 7:04 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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